5091934666 has 96 divisors (see below), whose sum is σ = 9953677440. Its totient is φ = 1934077824.

The previous prime is 5091934609. The next prime is 5091934691. The reversal of 5091934666 is 6664391905.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10455475 + ... + 10455961.

It is an arithmetic number, because the mean of its divisors is an integer number (103684140).

Almost surely, 2^5091934666 is an apocalyptic number.

5091934666 is a deficient number, since it is larger than the sum of its proper divisors (4861742774).

5091934666 is a wasteful number, since it uses less digits than its factorization.

5091934666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 5091934666 is about 71357.7933094907. The cubic root of 5091934666 is about 1720.3927652261.

The spelling of 5091934666 in words is "five billion, ninety-one million, nine hundred thirty-four thousand, six hundred sixty-six".